NEET Botany Algae MCQ Question
If at least half of the total carbon dioxide fixation on earth is carried out by algae, and the total global carbon dioxide fixation is 100 billion tons, how much carbon dioxide is fixed by algae?
50 billion tons
25 billion tons
75 billion tons
20 billion tons
Correct Answer
Detailed Explanation
The NCERT context states that at least half of the total carbon dioxide fixation is carried out by algae. Therefore, half of 100 billion tons is 50 billion tons.
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